<template>
  <div>
    <!-- 面包蟹导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片试图区域 -->
    <el-card class="box-card">
      <!-- 搜索于添加取 -->
      <!-- ：gutter在row中，表示的是每一行的距离 -->
      <el-row :gutter="20">
        <!-- <col>表示的是每一列 -->
        <el-col :span="9">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChange(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色 -->
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->

    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="38%"
      @close="addDialogClosed"
    >
      <!-- 内容主题区域 -->
      <el-form
        :model="addFrom"
        :rules="addFromRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addFrom.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addFrom.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addFrom.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addFrom.mobile"></el-input>
        </el-form-item>
      </el-form>

      <!-- 底部区域 -->

      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->

    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClose"
    >
      <!-- 内容区域 -->
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="name">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog title="提示" :visible.sync="setRoleDialogVisible" width="45%" @close ="setRoleDialogClosed">
      <div>
        <p>当前用户: {{ userinfo.username }}</p>
        <p>当前的角色: {{ userinfo.role_name }}</p>
        <p>
          分配新角色:
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    // 定义邮箱的验证规则
    var checkEmail = (rule, value, cb) => {
      // 验真邮箱的正则表达式
      const regEmail = new RegExp(
        "^[a-z0-9A-Z]+[- | a-z0-9A-Z . _]+@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-z]{2,}$"
      );
      if (regEmail.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的邮箱"));
    };
    // 定义手机号的验证规则
    var checkMobile = (rule, value, cb) => {
      // 验真邮箱的正则表达式
      const regMobile =
        /^1(?:3\d|4[4-9]|5[0-35-9]|6[67]|7[013-8]|8\d|9\d)\d{8}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      cb(new Error("请输入合法的手机号"));
    };
    return {
      // 获取用户列表的参数
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 2,
      },
      userList: [],
      total: 0,
      // 控制添加用户对话框的显示和隐藏
      addDialogVisible: false,
      // 添加用户表单数据
      addFrom: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 添加用户表单的验证规则
      addFromRules: {
        username: [
          { required: true, message: "请输入用户邮箱", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      // 控制修改用户的对话框的显示与隐藏
      editDialogVisible: false,
      //查询到的用户信息对象
      editForm: {},
      // 修改表单的验证规则
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      setRoleDialogVisible: false,
      // 需要分配角色的用户信息
      userinfo: {},
      // 所有角色的数据
      rolesList: [],
      // 选择角色的的ID值
      selectedRoleId:''
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });

      if (res.meta.status !== 200)
        return this.$message.error("获取用户列表失败");
      this.userList = res.data.users;
      this.total = res.data.total;
      console.log(res);
    },
    // 监听pagesize 改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    // 监听 页码值 改变的事件
    handleCurrentChange(newPage) {
      // console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    // 监听switch开关的事件
    async userStateChange(userinfo) {
      console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新用户失败");
      }

      // console.log(userinfo.mg_state)
      this.$message.success("更新用户状态成功");
    },
    // 监听用户对话框关闭事件
    // ref 操作dom元素     2.resetFields()就是清除
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
      // console.log(this.$refs.addFormRef);
      // console.log(this);
    },
    // 添加用户
    // validate()校验
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.post("users", this.addFrom);
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败");
        }
        this.$message.success("添加成功");
        //  隐藏添加用户的对话框
        this.addDialogVisible = false;
        //  重新获取用户列表，刷新列表用户
        this.getUserList();
      });
    },
    //展示编辑用户的对话框
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("查询用户信息失败");
      }
      this.editForm = res.data;
      this.editDialogVisible = true;
      console.log(this.editForm);
      // console.log(id)
      // this.getUserList();
    },
    // 监听修改对话框的关闭
    editDialogClose() {
      this.$refs.editFormRef.resetFields();
    },
    // 修改用户信息并且提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );
        if (res.meta.status !== 200) {
          this.$message.error("更新用户失败");
        }

        //  隐藏添加用户的对话框
        this.editDialogVisible = false;
        //  重新获取用户列表，刷新列表用户
        this.getUserList();

        this.$message.success("修改成功");
      });
    },
    // 根据用户id去进行删除
    //.catch 表示的是捕获所有的错误消息
    async removeUserById(id) {
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm(
        "永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);

      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除");
      }
      const { data: res } = await this.$http.delete("users/" + id);
      if (res.status !== 200) {
        return this.$message.error("删除失败");
      }
      this.$message.success("删除成功");
      this.getUserList();
    },
    // 展示分配角色的对话框
    async setRole(data) {
      this.userinfo = data;
      //在展示对话框之前，获取所有角色列表
      this.setRoleDialogVisible = true;
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        return this.$message.error("获取角色列表失败");
      }
      // this.$message.success("获取角色列表成功");
      this.rolesList = res.data;
      
    },
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色')
      }
     const {data:res} =  await this.$http.put(`users/${this.userinfo.id}/role`,{
        rid:this.selectedRoleId
      })
      if(res.meta.status!==200){
        return this.$message.error('更新用户失败')
      }
         this.$message.success('更新用户成功')
         this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed(){
      this.selectedRoleId = ''
      // this.userinfo={}
      this.getUserList()
    }
  },
};
</script>
<style scoped>
</style>